Crossword Genius

Switch positions occasionally (2,3,3)

Ross

I think it could be either:

Which length description are you looking for?:

2,3,3

3,3,2

off and on

(Other definitions for off and on that I've seen before include "sometimes" , "Now and then, stop and start" , "Occasionally" , "the two sides at the Oval are this" , "Switch options" .)

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